17fec42e3ed8e31903adadfd26604ddb83cf27df49d250e75560742be6167be5

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 21:16

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General

Target

90lh34776t.exe
Size

221KB
MD5

7729900697d95c9cb6d5bd73888cf13b
SHA1

43bb970f69404ff4c01427b99cfb669a4575d0cd
SHA256

b8f987a5099e1a1a220893763f00bcff9d84ed2dd49cb4a0ab8f5c595281e5ac
SHA512

d7cc1b6c5527da43c8cb4bbc04c356b2cb85849a847c342da6c85d610614096805f6946365f92252276b96a0bc9767c7979dfd358a6e20e752bd08d69850190f
SSDEEP

6144:wBlL/LrAY7sjzeUc1/8Lan+V6KqjWw04DzlBX:Cp/g/2bna6Kn4nlh

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4432	90lh34776t.exe
4432	90lh34776t.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
372	4432	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90lh34776t.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 2136	4432	90lh34776t.exe	83
PID 4432 wrote to memory of 2136	4432	90lh34776t.exe	83
PID 4432 wrote to memory of 2136	4432	90lh34776t.exe	83

C:\Users\Admin\AppData\Local\Temp\90lh34776t.exe
"C:\Users\Admin\AppData\Local\Temp\90lh34776t.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4432
- C:\Users\Admin\AppData\Local\Temp\90lh34776t.exe
  "C:\Users\Admin\AppData\Local\Temp\90lh34776t.exe"
  2⤵
  PID:2136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 924
  2⤵
  - Program crash
  PID:372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4432 -ip 4432
1⤵
PID:224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsz85DA.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

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